12495317 has 4 divisors (see below), whose sum is σ = 12926220. Its totient is φ = 12064416.

The previous prime is 12495313. The next prime is 12495349. The reversal of 12495317 is 71359421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8708401 + 3786916 = 2951^2 + 1946^2 .

It is a cyclic number.

It is not a de Polignac number, because 12495317 - 2² = 12495313 is a prime.

It is a super-2 number, since 2×12495317² = 312265893860978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12495311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215408 + ... + 215465.

It is an arithmetic number, because the mean of its divisors is an integer number (3231555).

Almost surely, 2^12495317 is an apocalyptic number.

It is an amenable number.

12495317 is a deficient number, since it is larger than the sum of its proper divisors (430903).

12495317 is an equidigital number, since it uses as much as digits as its factorization.

12495317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430902.

The product of its digits is 7560, while the sum is 32.

The square root of 12495317 is about 3534.8715676811. The cubic root of 12495317 is about 232.0504559799.

The spelling of 12495317 in words is "twelve million, four hundred ninety-five thousand, three hundred seventeen".